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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

CAT,

1 9174

How to design the blower for motor? how to two blowers connected in motor?

Ashok Leyland, TATA,

1 4367

what is Diversity factor in electrical installations

3 15155

how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.

ABB,

3241

how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

ABB,

1 4838

why excitor coil of an alternator can fail

3 6050

66kv under ground cable how to layaing in ground any special case two ckt r runing

1993

From an electrical motor & electrical generator, which has more efficiency & why?

Sahi,

1 2973

why we change the direction of winding in rotor ?how we make the north and south pole?

2054

why we r using alternator instead of d.c generator and induction generator

1 3809

why alternator is used instead of dc generator and induction generator

1 3762

what is the full form of KVAR

6 33871

what is ripple ??? what is harmonics ?

ABB,

3 13690

how much current in live 11 Kv distribution Line?

ABB,

1 5588

If we give 2334 A, 540V on Primary side of 1.125 MVA step up transformer, then what will be the Secondary Current, If Secondary Voltage=11 KV?

L&T,

3 7793


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

can we find the inductance of a induction motor?

1986


circuit diagram of trip circuit supervision relay

2054


can any one provide me a connection wiring diagram for a DG set control panel along with BOM?

2215


What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

4289


why r we using shell transformer for low voltage

2012


What is the relation between frequency and motor rpm?

1857


why dc is used in control circuits for MV & LV switchgeras instead of ac

1956


Transformer how to maintaince a check b check c check d check

2082


Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

1481


What is meant by system?

1064


how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

1259


hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2963


What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

1880


What is the unit of charge and current?

1160


Write the programming software name for LG, SIEMENS,Messung,AB

2034